Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
h3-technology.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 13:11:42 UTC · ↺ Refresh
MX Hostnames
- mx2.mailchannels.net
- mx1.mailchannels.net
MX Priorities
- mx2.mailchannels.net: 0
- mx1.mailchannels.net: 0
A / AAAA Records
- 69.163.183.184 ↩ apache2-bongo.pdx1-shared-a1-12.dreamhost.com
Mail Server IPs
- 54.69.1.140 ↩ ec2-54-69-1-140.us-west-2.compute.amazonaws.com
- 18.236.29.166 ↩ ec2-18-236-29-166.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
ns1.dreamhost.com hostmaster.dreamhost.com 2026040103 17164 600 1814400 60
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2026040103
Refresh
17164s
Retry
600s
Expire
1814400s
Minimum TTL
60s
Nameservers (NS)
ns1.dreamhost.com
ns3.dreamhost.com
ns2.dreamhost.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=2SuS2KDKLkwSGsIp67JX0CI9NIPECNsl1vvFU6IP9yI
- SPFv=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
Full email verification for h3-technology.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits